Question about JVC HD-52G886 52" Rear Projection HDTV
I have replaced the lamp and ballast. When you hit the power button the blue light comes on and after a second or two the lamp light starts to flash and the blue light goes out. I have 330v to the ballast board. No power going to the bulb. Any ideas
That's a clear indication that you have a bad power supply in your TV.
If you know how to DiY...I suggest you open your TV. Locate the power supply section, it is where the end of the power plug is connected. Replace all blown or bulge or leaked capacitors with same value. That will fix your TV problem.
The hardest part is to disassembling your TV cover, cause you will need to pry off the snap in lock at the edge of your TV.
Power supply board should look like this. Examine the capacitors in the board
After replacing blown capacitors...it should work again.
Things you will need.
1. A plastic flat end screw or any object with flat ends....to fry off the cover
2. Soldering iron.
3. Soldering lead
4. Soldering pump.
5. Flat and Philip Screw
6. Replacement capacitors (of same value with the blown one) that you can buy to any electronics store.
Hope it helps
Posted on Feb 23, 2012
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Posted on Jan 02, 2017
Hi, don`t know if you`ll be able to find this but D9405 a surface mount diode on the main power supply board is a known issue for yours and many other models, it has to be re-soldered not replaced, other joints in area may also need to be "touched up", other than that I had one where connector CN310 was not seated correctly, one side of plug was cocked way up, other than those 2 you may have a bad ballast (board that the lamp is connected to), Be sure that the lamp door is securely closed as they have a switch built into them and if the switch is not closed the set WILL NOT start, hope this helps you out, BMW Rider
Posted on Dec 12, 2007
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